Cal. Health and Safety Code - HSC § 1617. Section 1617.
(a)
The department shall administer this chapter.
(b)
In order to carry out this chapter, any duly authorized representative of the department may do any of the following:
(1)
Enter or inspect on an announced or unannounced basis any building, premise, equipment, materials, records, or information at any reasonable time to secure compliance with, or prevent a violation of, this chapter or the regulations adopted pursuant thereto.
(2)
Inspect, photograph, or copy any records, reports, test results, test specimens, or other information related to the requirements of this chapter or the regulations adopted pursuant thereto.
(3)
Secure any sample, photograph, or other evidence from any building or premise for the purpose of enforcing this chapter or the regulations adopted pursuant thereto.